La Roche-en-Ardenne: population and statistics
La Roche-en-Ardenne has a population of 4,055 (2026) across 148.5 km², or 27.3 people per km². It ranks 518 of 565 municipalities by population. Its population is falling: −3.2% between 2016 and 2026.
- 4,055 residents
- 148.5 km²
- 27 people/km²
- 220 m
Key points
Among the 43 municipalities in Luxembourg, La Roche-en-Ardenne ranks No. 29 by population.
Share of inhabitants under 20: 18.4% in La Roche-en-Ardenne, compared with an average of 22.8% in Luxembourg and 21.8% nationally.
Largest business sector: Agriculture, forestry and fishing, with 20.2% of the area's businesses.
A 1 kWp solar panel tilted at 35° generates about 981 kWh a year here.
Did you know?
- Number 1 in Luxembourg for “VAT-liable enterprises per 1,000 inhabitants”.
- “Share of houses in the building stock”: lower than in 98% of municipalities.
- “Share of inhabitants under 20”: lower than in 96% of municipalities.
- “VAT-liable enterprises per 1,000 inhabitants”: higher than in 94% of municipalities.
- Its area is roughly equal to 20,803 football pitches.
- Its population density is 14.2 times lower than the national average.
- The nearest municipality is Rendeux, 7.7 km away.
La Roche-en-Ardenne in numbers
All indicators for La Roche-en-Ardenne
Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.
Population
| Indicator | La Roche-en-Ardenne | Luxembourg | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants aged 65 and over (2026) | 24.4% | 19.0% | 21.7% | ranked 87 of 564 | |
| Share of inhabitants under 20 (2026) | 18.4% | 22.8% | 21.5% | ranked 537 of 564 |
Housing
| Indicator | La Roche-en-Ardenne | Luxembourg | National | Position | Rank |
|---|---|---|---|---|---|
| Buildings built before 1946 (2024) | 33.7% | – | 34.6% | ranked 293 of 564 | |
| Buildings built after 2001 (2024) | 14.8% | – | 15.3% | ranked 305 of 564 | |
| Share of houses in the building stock (2024) | 58.8% | – | 79.9% | ranked 550 of 564 | |
| Number of dwellings (2024) | 3,243 | 152,641 | 5,783,434 | ranked 439 of 565 | |
| New dwellings authorised per year per 1,000 inhabitants (2021-2025) | 9.37 ‰ inh. | 6.32 ‰ inh. | 4.39 ‰ inh. | ranked 22 of 564 |
Energy
| Indicator | La Roche-en-Ardenne | Luxembourg | National | Position | Rank |
|---|---|---|---|---|---|
| Residential buildings with central heating or air conditioning (2024) | 63.1% | – | 76.7% | ranked 502 of 564 |
Economy
| Indicator | La Roche-en-Ardenne | Luxembourg | National | Position | Rank |
|---|---|---|---|---|---|
| VAT-liable enterprises (2024) | 574 | 23,440 | 1,170,010 | ranked 464 of 565 | |
| VAT-liable enterprises per 1,000 inhabitants (2024) | 141.6 ‰ inh. | 79.1 ‰ inh. | 102.2 ‰ inh. | ranked 33 of 564 | |
| Net taxable income per inhabitant (2023) | 21,526 € | 22,905 € | 24,247 € | ranked 461 of 564 | |
| Median disposable income (administrative) (2023) | 28,254 € | – | 30,830 € | ranked 457 of 551 | |
| Median selling price of houses (2025) | 262,000 € | – | 302,500 € | ranked 393 of 554 |
Transport
| Indicator | La Roche-en-Ardenne | Luxembourg | National | Position | Rank |
|---|---|---|---|---|---|
| Cars per household (2025) | 1.11 | 1.17 | 1.25 | ranked 457 of 564 | |
| Households without a car (2025) | 23.7% | 20.4% | 17.6% | ranked 99 of 564 |
Society
| Indicator | La Roche-en-Ardenne | Luxembourg | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants of foreign nationality (2026) | 5.3% | 10.5% | 6.4% | ranked 348 of 564 | |
| Administrative poverty risk (2023) | 9.8% | 9.3% | 7.0% | ranked 137 of 551 |
Population of La Roche-en-Ardenne over time
La Roche-en-Ardenne had 4,189 residents in 2016 and 4,055 in 2026.
| Year | Population |
|---|---|
| 2021 | 4,213 |
| 2022 | 4,210 |
| 2023 | 4,161 |
| 2024 | 4,100 |
| 2025 | 4,067 |
| 2026 | 4,055 |
Where is La Roche-en-Ardenne?
Business sectors: La Roche-en-Ardenne
Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.
- Agriculture, forestry and fishing20.2% ×4.8
- Accommodation and food services13.9% ×2.5
- Construction12.5% ×0.9
- Wholesale and retail trade12.2% ×0.8
- Professional, scientific and technical9.8% ×0.5
- Administrative and support services5.7% ×0.9
- Arts, entertainment and recreation5.4% ×1.4
- Other service activities4.5% ×0.7
Sunshine and temperatures: La Roche-en-Ardenne
Frequently asked questions
What is the population of La Roche-en-Ardenne?
La Roche-en-Ardenne has 4,055 residents (2026), ranking 518 of 565 municipalities.
How big is La Roche-en-Ardenne?
La Roche-en-Ardenne covers 148.5 km², with a density of 27 people per km².
Is the population of La Roche-en-Ardenne growing?
Between 2016 and 2026, the population of La Roche-en-Ardenne went from 4,189 to 4,055, a change of −3.2%.
Where is La Roche-en-Ardenne?
La Roche-en-Ardenne is in Luxembourg. It belongs to Marche-en-Famenne (arrondissement). Latitude 50.182, longitude 5.575.
Share of houses in the building stock: what is the figure for La Roche-en-Ardenne?
In La Roche-en-Ardenne, “Share of houses in the building stock” stands at 58.8% (2024), ranking 550 of 564 municipalities; the national median is 79.9%.
Share of inhabitants under 20: what is the figure for La Roche-en-Ardenne?
In La Roche-en-Ardenne, “Share of inhabitants under 20” stands at 18.4% (2026), ranking 537 of 564 municipalities; the national median is 21.5%.
How much electricity does a solar panel produce in La Roche-en-Ardenne?
In La Roche-en-Ardenne, a 1 kWp south-facing system tilted at 35° produces about 981 kWh a year.
Which municipalities border La Roche-en-Ardenne?
The nearest to La Roche-en-Ardenne are Rendeux (7.7 km), Tenneville (11 km), Erezée (12 km), Hotton (13 km), Manhay (14 km).
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